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    <title>Audio Network - data transmission over sound waves</title>

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    <link rel="stylesheet" type="text/css" href="../../asset/css/simple-bootstrap.css">
    <link rel="stylesheet" type="text/css" href="../../asset/css/example.css">
    <link rel="stylesheet" type="text/css" href="piano.css">
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</head>
<body onLoad="init()">

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        <div class="container">
            <h1>Audio Network - send data over sound in JavaScript</h1>
            <div class="row margin-bottom">
                <div class="col col-xs-12">
                    <div class="fb-like-cont">
                        <a href="https://www.facebook.com/Data-transmission-over-sound-500422050157351/" target="_blank" class="a-icon a-icon-fb">
                            <img src="/asset/image/fb.png" alt="Audio Network at Facebook">
                        </a>
                        <div class="fb-like" data-href="https://www.facebook.com/Data-transmission-over-sound-500422050157351/" data-layout="button" data-action="like" data-size="small" data-show-faces="true" data-share="false"></div>
                    </div>
                    <p class="text-right">
                        Return to <a href="https://audio-network.rypula.pl">main page</a>
                    </p>
                    <p class="larger text-center">
                        THIS PROJECT IS STILL UNDER DEVELOPMENT<br/>
                        Source code available at <a href="https://github.com/robertrypula/AudioNetwork" target="_blank">GitHub</a>
                    </p>
                </div>
            </div>

            <!-- ---------------- -->

            <div class="row margin-bottom">
                <div class="col col-xs-12" id="test">

                    <div class="row margin-bottom">
                        <div class="col col-xs-6 col-sm-5 col-md-3">
                            <label for="tx-frequency">
                                TX frequency
                            </label>
                        </div>
                        <div class="col col-xs-6 col-sm-7 col-md-6">
                            <input type="number" id="tx-frequency" value="0" class="" />
                        </div>
                    </div>
                    <div class="row margin-bottom">
                        <div class="col col-xs-6 col-sm-5 col-md-3">
                            <label for="tx-phase">
                                TX phase
                            </label>
                        </div>
                        <div class="col col-xs-6 col-sm-7 col-md-6">
                            <input type="number" id="tx-phase" value="0" />
                        </div>
                    </div>
                    <div class="row margin-bottom">
                        <div class="col col-xs-6 col-sm-5 col-md-3">
                        </div>
                        <div class="col col-xs-6 col-sm-7 col-md-6">
                            <button onClick="updatePhaseAndFrequencyClicked()" class="btn btn-default">Update</button>
                            <button onClick="muteClicked()" class="btn btn-default">Mute</button>
                        </div>
                    </div>
                    <div class="row margin-bottom">
                        <div class="col col-xs-6 col-sm-5 col-md-3">
                            <label for="tx-phase">
                                TX octave #
                            </label>
                        </div>
                        <div class="col col-xs-6 col-sm-7 col-md-6">
                            <input type="number" id="octave-number" value="6" onChange="octaveNumberChanged()" />
                        </div>
                    </div>

                    <div class="margin-bottom" id="piano-container"></div>

                    <div class="row margin-bottom">
                        <div class="col col-xs-6 col-sm-5 col-md-3">
                            <label>
                                TX phase
                            </label>
                        </div>
                        <div class="col col-xs-6 col-sm-7 col-md-6">
                            <button onClick="updatePhaseClicked(0.00)" class="btn btn-default">0.00</button>
                            <button onClick="updatePhaseClicked(0.25)" class="btn btn-default">0.25</button>
                            <button onClick="updatePhaseClicked(0.50)" class="btn btn-default">0.50</button>
                            <button onClick="updatePhaseClicked(0.75)" class="btn btn-default">0.75</button>
                        </div>
                    </div>

                    RX data is limited to selected octave!<br/>
                    RX frequency (Hz): <span id="rx-frequency-hz"></span><br/>
                    RX frequency (dB): <span id="rx-frequency-db"></span><br/>
                    RX note name: <span id="rx-note-name"></span><br/>

                    <div id="rx-info-table-container"></div>

                </div>
            </div>

            <!-- ---------------- -->

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                if (isProduction()) { // TODO refactor this
                    document.write('<div class="fb-comments" data-href="' + window.location.href + '" data-numposts="5"></div>');
                }
            </script>

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            <div class="row">
                <div class="col col-xs-12">
                    <div class="copyright">Robert Rypuła 2015-2018</div>
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        </footer>

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    <script src="piano.js"></script>

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